Exemple #1
0
func (s *Scheduler) launchTask(driver scheduler.SchedulerDriver, offer *mesos.Offer) {
	taskName := fmt.Sprintf("syslog-%s", offer.GetSlaveId().GetValue())
	taskId := &mesos.TaskID{
		Value: proto.String(fmt.Sprintf("%s-%s", taskName, uuid())),
	}

	data, err := json.Marshal(Config)
	if err != nil {
		panic(err) //shouldn't happen
	}
	Logger.Debugf("Task data: %s", string(data))

	tcpPort := uint64(s.getPort(Config.TcpPort, offer, -1))
	udpPort := uint64(s.getPort(Config.UdpPort, offer, int(tcpPort)))

	task := &mesos.TaskInfo{
		Name:     proto.String(taskName),
		TaskId:   taskId,
		SlaveId:  offer.GetSlaveId(),
		Executor: s.createExecutor(offer, tcpPort, udpPort),
		Resources: []*mesos.Resource{
			util.NewScalarResource("cpus", Config.Cpus),
			util.NewScalarResource("mem", Config.Mem),
			util.NewRangesResource("ports", []*mesos.Value_Range{util.NewValueRange(tcpPort, tcpPort)}),
			util.NewRangesResource("ports", []*mesos.Value_Range{util.NewValueRange(udpPort, udpPort)}),
		},
		Data:   data,
		Labels: utils.StringToLabels(s.labels),
	}

	s.cluster.Add(offer.GetSlaveId().GetValue(), task)

	driver.LaunchTasks([]*mesos.OfferID{offer.GetId()}, []*mesos.TaskInfo{task}, &mesos.Filters{RefuseSeconds: proto.Float64(1)})
}
Exemple #2
0
func (s *Scheduler) launchTask(driver scheduler.SchedulerDriver, offer *mesos.Offer) {
	taskName := fmt.Sprintf("syscol-%s", offer.GetSlaveId().GetValue())
	taskId := &mesos.TaskID{
		Value: proto.String(fmt.Sprintf("%s-%s", taskName, uuid())),
	}

	data, err := json.Marshal(Config)
	if err != nil {
		panic(err) //shouldn't happen
	}
	Logger.Debugf("Task data: %s", string(data))

	task := &mesos.TaskInfo{
		Name:     proto.String(taskName),
		TaskId:   taskId,
		SlaveId:  offer.GetSlaveId(),
		Executor: s.createExecutor(offer.GetSlaveId().GetValue()),
		Resources: []*mesos.Resource{
			util.NewScalarResource("cpus", Config.Cpus),
			util.NewScalarResource("mem", Config.Mem),
		},
		Data: data,
	}

	s.cluster.Add(offer.GetSlaveId().GetValue(), task)

	driver.LaunchTasks([]*mesos.OfferID{offer.GetId()}, []*mesos.TaskInfo{task}, &mesos.Filters{RefuseSeconds: proto.Float64(1)})
}
Exemple #3
0
func (oc *OfferCache) Push(newOffer *mesos.Offer) bool {
	oc.mut.Lock()
	defer oc.mut.Unlock()
	if len(oc.offerSet) < oc.maxOffers {
		// Reject offers from existing slaves.
		for _, offer := range oc.offerSet {
			if offer.SlaveId.GetValue() == newOffer.SlaveId.GetValue() &&
				oc.singleInstancePerSlave {
				log.Info("Offer already exists for slave ", newOffer.SlaveId.GetValue())
				return false
			}
		}
		oc.offerSet[newOffer.GetId().GetValue()] = newOffer

		// Try to add offer to the queue, clearing out invalid
		// offers in order to make room if necessary.
		for i := 0; i < 2; i++ {
			select {
			case oc.offerQueue <- newOffer:
				return true
			default:
				oc.gc()
			}
		}
	}
	log.Info("We already have enough offers cached.")
	return false
}
func (s *Scheduler) launchTask(task Task, offer *mesos.Offer) {
	taskInfo := task.NewTaskInfo(offer)
	task.Data().State = TaskStateStaging
	task.Data().Attributes = utils.OfferAttributes(offer)
	task.Data().ExecutorID = taskInfo.GetExecutor().GetExecutorId().GetValue()
	task.Data().SlaveID = taskInfo.GetSlaveId().GetValue()
	task.Data().TaskID = taskInfo.GetTaskId().GetValue()

	s.driver.LaunchTasks([]*mesos.OfferID{offer.GetId()}, []*mesos.TaskInfo{taskInfo}, &mesos.Filters{RefuseSeconds: proto.Float64(10)})
}
func (ctx *RunOnceApplicationContext) LaunchTask(driver scheduler.SchedulerDriver, offer *mesos.Offer) error {
	ctx.lock.Lock()
	defer ctx.lock.Unlock()

	ctx.InstancesLeftToRun--
	taskInfo := ctx.newTaskInfo(offer)
	ctx.tasks = append(ctx.tasks, newRunOnceTask(offer, taskInfo.GetTaskId().GetValue()))

	_, err := driver.LaunchTasks([]*mesos.OfferID{offer.GetId()}, []*mesos.TaskInfo{taskInfo}, &mesos.Filters{RefuseSeconds: proto.Float64(10)})
	return err
}
Exemple #6
0
func Offer(offer *mesos.Offer) string {
	var buffer bytes.Buffer

	buffer.WriteString(offer.GetHostname())
	buffer.WriteString(ID(offer.GetId().GetValue()))
	resources := Resources(offer.GetResources())
	if resources != "" {
		buffer.WriteString(" ")
		buffer.WriteString(resources)
	}
	attributes := Attributes(offer.GetAttributes())
	if attributes != "" {
		buffer.WriteString(" ")
		buffer.WriteString(attributes)
	}

	return buffer.String()
}
Exemple #7
0
func offerString(offer *mesos.Offer) string {
	return fmt.Sprintf("\n%s%s %s %s", offer.GetHostname(), idString(offer.GetId().GetValue()), resourcesString(offer.GetResources()), attributesString(offer.GetAttributes()))
}